yash kumar

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The First Mass-Produced Hydrogen Car

Bye-bye, gasoline!<p>When it comes to alternate energy sources, most automakers think simply—battery power or bust. That’s what makes the Hyundai Tucson Fuel Cell an outlier. The SUV will be the first mass-produced hydrogen car in the U.S. when it debuts this spring.<p>Because hydrogen fuel …

How To Make A Light, But Strong, Pickup Truck

Meet the new Ford F-150<p>When auto engineers want to improve fuel economy, they shave spare ounces wherever they can—engines, seats, even nuts and bolts. But that nickel-and-dime approach only goes so far. For burly vehicles like pickups, they need to go for the body. That’s the thinking behind …

Designing Sound Effects To Gently Warn Pedestrians Of Silent Vehicles

Sound stylings for electric cars<p><i>Above: Acoustic engineers tested alert sounds for EVs against more common street sounds like a “big truck” or a common automobile (“Mitsu 1156 rpm”), to learn which were most effective and audible without being irritating. Credit: Quartz/Delta</i><p>We rely heavily upon our …

Electric Vehicles

A Small Engine With Big Power

With compactness comes strength<p>Carmakers have long followed a simple rule: To increase power, make the engine block bigger. Volvo is doing the opposite. It’s phasing out five- and six-cylinder engines in favor of four-cylinder ones that are nearly 100 pounds lighter yet produce the same horsepower. …

Engines

The World's Strongest Brakes Stop The 1,000MPH Bloodhound SSC [Video]

During a half-speed test, a set of carbon rotors from a jet fighter shattered under the stress.<p>It's like stopping a bus from 160 mph on a wet road. That's how the engineers behind the Bloodhound SSC—the British land-speed record car designed to break the 1,000-mph barrier—described the task of …

The Stripped-Down, Retro-Chic 2015 Alfa Romeo 4C

The best pure sports car in years is coming to America.<p><b>On-Sale Date:</b> Fall 2014<p><b>Base Price (est.):</b> $55,195<p><b>Competitors:</b> Porsche Cayman, Lotus Evora<p><b>Powertrains:</b> 1.8-liter turbocharged I-4, 237 hp, 258 lb-ft, 6-speed dual-clutch automatic, RWD<p><b>EPA Fuel Economy (city/hwy):</b> 24/34<p>With the new 4C, Alfa has …